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Stéphane DE WOLF

IS-BAO™ EU Operations Specialist
Stéphane DE WOLF
  • Stéphane DE WOLF

    In addition to supporting the daily running of the IS-BAO Programme and its cooperation projects with NCAs, Stéphane represents business aviation interests and IBAC at various authorities and industry groups that focus on improving safety, such as the ICAO Safety Management Panel, EASA, FAA, etc.  

    Before joining IBAC in 2017, Stéphane held various positions in both manned and unmanned aviation, including at NCA and Qualified Entity levels, such as flight/cabin crew member, flight dispatcher, compliance monitoring & safety manager, quality auditor/manager, lead auditor (IS-BAO, IS-BAH, US DoD, etc.).

    Stéphane holds certificates in safety/risk management and business management from the USC Viterbi School of Engineering and ICHEC Business School. He recently completed the MSc programme in Human Factors and System Safety at Lund University with a thesis titled “SMS in micro and small air operators: mission possible?”.

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Head of Safety Promotion

    John started his aviation career in the RAF, serving as an Engineering Officer on the Tornado aircraft and within various staff roles in aviation safety, spending the last 6 years working in the field of occurrence reporting and investigation.  He joined EASA in 2011 as Safety Analysis Coordinator responsible for collaborative safety analysis initiatives between the NAAs of the EASA Member States.  In 2014, he became the Head of the Safety Analysis and Performance Section, which provides safety intelligence to support the European Plan for Aviation Safety and leads collaborative safety risk management with NAAs and industry.

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Managing Director and Partner
  • Joel HENCKS

    Joel HENCKS is the Managing Director of AeroEx GmbH, an aviation consulting company based in Switzerland offering a wide range of services to both commercial and non-commercial aviation organizations.

    With several decades of experience in many sectors of the aviation industry, AeroEx support their customers in the implementation and realization of international aviation requirements, Safety Management Systems, compliance monitoring and auditing. AeroEx additionally provides workshops and seminars on a variety of aviation-related topics to management personal and employees of the aviation industry.

    Since 2006, Joel Hencks has been a member of the EASA rulemaking group OPS.001 and was chairing the EASA OPS Review Group 02. These working groups developed the Implementing Rules Air Operations for Europe. Since 2012 Joel Hencks is also member of the EASA Rulemaking Groups Flight & Duty Time for Air Taxi and SMS Cross Domain.

    In 2016 Joel Hencks has been appointed by the International Civil Aviation Organization (ICAO) to participate in an Industry Study Group on Operational Safety Data (SIMS-OSD-ISG).
    Furthermore, Joel Hencks is an avocational lecturer for Aviation Regulation, Safety Management Systems and Compliance Monitoring at the Center for Aviation Competence (CFAC-HSG), University of St.Gallen.

    Joel Hencks is a professional pilot. He flew for different airlines, air ambulances and on-demand air charter operators. Besides his airline transport licence, he is holding a technical degree in electronics and is an International Standard for Business Aircraft Operations (IS-BAO) accredited auditor.

    • Managing Director; Partner, AeroEx, GmbH - Switzerland
    • Member; EASA Rulemaking Group OPS, FTL & SMS
    • Fellow; Center for Aviation Competence - University St. Gallen
    • Auditor; International Business Aviation Council (IBAC)
    • Member; ICAO Operational Safety Data – Industry Study Group
    • External Expert Operations & Horizontal Disciplines; EASA
    • Board Member; FRMS Forum
    • Board Member; Swiss Aerospace Cluster
    • Advocacy Commitee; European Business Aviation Association
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Secretary -General
European Business Aviation Association

    Athar has spent the last 25 years as a leader, aero-political negotiator, lawyer, advocacy specialist and CEO in various aviation organisations and companies, in both the public and private arena. Using his experience in the international aero-political world and proven track record in association management, Athar continues to strengthen and advocate for the European business aviation industry in the Brussels’ arena. As Secretary-General of the EBAA, Athar stands at the helm of Europe’s leading aviation association, strengthening the voice of business aviation in Europe at the highest EU political and institutional levels.

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Accountable Manager
Cat Aviation AG
  • Iris RIESEN

    Completing my studies in business administration in a pharmaceutical company in Berne, Switzerland, followed by a year in London, another year at Du Pont in Geneva, I then entered the fascinating world of aviation and 37 years went by in a flash.  

    Starting with 8 years at Swissair in various functions in Ground Operations. Traveling being my other passion, a 2-year sabbatical allowed for extensive travels in Asia and Oceania. 

    1995 I joined Jet Aviation Business Jets Zurich in Flight Dispatch and Charter sales followed by an assignment to Singapore as Manager Operations for 2 years. Returning to Zurich HQ as Manager Ground Operations from 1998-2000. From 1999-2000 a special 7 months’ assignment for the Swiss government were spent in Southeastern Europe.  

    2001 I opened Jet Aviation’s first Asian Aircraft Management office in Hong Kong as Director Operations till 2004. A 1.5 years break served to study Mandarin in Beijing’s BLCU. Returning to aviation joined Business Aviation Asia (BAA), Hong Kong, a new operator, as Director Operations. Called back to Jet Aviation Business Jets Hong Kong as Managing Director in early 2009 – end 2015 when the company grew extensively. After spending 20 years in Asia, I returned to Switzerland and joined Cat Aviation as Accountable Manager in December 2015 and completed an EMBA with focus in applied business psychology.  


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José Rubinho

Safety & Compliance Manager
  • José Rubinho

    Jose Rubinho is Safety & Compliance Manager of the Spanish business aviation handling company United Aviation Services since 2018.

    With wide experience in commercial aviation handling (Iberia -Flight Dispatcher-, LTU/Luft Transport Unternehmen -Station Manager-, Ryanair -Duty & Ramp Manager- and Jet2 -Station Manager-) in airports as important as Ibiza or Mallorca, he made the step to Business Aviation in 2011 with Ibizair, a well-known company of the United Aviation group, the pioneer since 1979 with the most extensive network of business aviation handling services in Spain.

    He currently combines his responsibilities of Safety & Compliance in United Aviation, implementing and maintaining SMS at all 14 airports in its network, with those of Sales & Key Account Manager, so he handles a deep knowledge of the Business Aviation handling sector both operationally and commercially.

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Group Safety Manager
Marketing/PR Manager
ASL Group
  • Maxime WAUTERS

    “Maxime started flying gliders at the age of 13 in the Belgian Ardennes. After graduating high school, he started his commercial pilot training and simultaneously started working for a major flight training organisation, holding various functions, including Safety Manager.

    After having spent almost 10 years in the airline pilot training industry, period during which he also followed various aviation-related and management courses, Maxime started his career in the business aviation industry by joining ASL Group both as a pilot, flying the Cessna Citation XLS+ and as Safety Officer. Nowadays, Maxime has taken the function of Safety Manager for the Group and now flies as Captain on the Embraer Legacy 450 and 500.

    Maxime is the proud and happy father of a 6 year-old boy and is passionate about music, martial arts, motorbikes, sailing and foreign cultures.”

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Juergen WIESE

Chairman Board of Governors
Juergen WIESE
  • Juergen WIESE

    Juergen Wiese was appointed EBAA Chairman in September 2016. With over 30 years’ experience in aviation, he currently oversees BMW’s global corporate aviation operations including EASA Part 145 and Part M organisations. Juergen began his aviation career as an officer in the German Air Force, serving in the Air Crew Selection Program for Air Force and Navy in his

    last assignment. After working as a flight instructor and developing and managing a start-up air charter business he joined BMW AG in 1995. He also served as the Managing Director of BMW’s Global Corporate Travel Service for more than six years.

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Terry Yeomans

IS-BAH Program Director
International Business Aviation Council
  • Terry Yeomans

    Programme Director for the International Standard for Business Aircraft Handling (IS-BAH™). Commenced business aviation career in 1984 with McAlpine Aviation based at Luton Airport.

    Prior to joining the IS-BAH™ Programme for IBAC worked for a major International trip support, flight service company as Manager Ground Operations Standards & Development (Europe/North Africa) responsible for the coordination and supervision (ground logistics) of ad-hoc business aviation flights (including Head of State operations) operating to and from the UK’s and beyond. 

    Former industry association representative at a number of high-level meetings including those connected with the planning for the London 2012 Olympic and Paralympic Games. Past Council member and previous deputy Chairman for the British Business & General Aviation Association (BBGA), past Chair of the EBAA Airport Handling and Ground Operations Committee (AHGOC) and council member (and Treasurer) of the International Business Aviation Council (IBAC).

    As Programme Director for the IS-BAH, currently working as part of the ICAO Ground Handling Task Force in developing guidance materials (ICAO DOC10121) and the development of potential global standards and recommended practices on how to best address the risk posed by ground handling activities on the aviation system.

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